Spring-bed



(No Model.)

C. D. RODEBAUGH.

SPRING BED.

Patented June 12,1883.

N. PETERS. Phmo-Lmugnpher, washington n. C.

. UNITED I STATES PATENT OFFICE CHARLES l). RODEBAUGH, OF VVINSLOV, ILLINOIS.

SPECIFICATION forming part of Letters Patent No. 279,188, dated June 12, 1883.

Application filed March `2f), 1883.

To all whom t may concern:

Be it known that l, CHARLES D. RODEBAUGH, a citizen oi' the United States, residing at Winslow, in the county of Stephenson and State of Illinois, have invented certain new and useful Improvements in Spring-Beds, of which the following is a speciiication, reference being had therein to the accompanying drawings.

Figure lis a top plan view of my spring-bed. Fig. 2 is a longitudinal section with the head portion in an inclined position. Fig. 3 is a view oi' one of the springs and clamp. Fig. 4 is view in perspective of the clamp detached.

A A are the outside longitudinal supportingbars, and A Al are intermediate longitudinal bars. Upon these bars the-springs are supported in such manner th at a section, C, of them-say a third-may be set at any desired inclination to the other section, B, in order to support a part ofthe mattress at a greater height than the remainder of it.

D represents the cross-slats, carrying the springs belonging to the stationary section B. 'They rest upon the bars A A, to which they may be screwed or otherwise secured.

E represents the slats which carry the springs of the adjustable section C. They are supported upon and secured to-longitudinal pieces F F F F. which are preferably located above bars A A'A A, respectively.

G G are links pivoted to pieces F F at f, at or near one end of said pieces, and pivoted at their other ends at a to bars A, the pivots c being located beneath the opposite ends of pieces FF from those which carry pivots f.

H H are levers pivoted to links G at points 71 intermediate between pivots c and f, and having at their ends pins or friction-rollers a f which proj eet laterally toward pieces A F', and engage with longitudinal grooves ci f in the faces thereof. A2 F2 are connecting and stiffening rods which join the ends of levers H. Their endsmay be utilized as pins for engagement with grooves c2 f 2, if desired.

It is evident that the adjustable spring-section C may be raised to any desired height within certain .limits and there secured by holding-links G and levers H in the position which they have assumed relative to one another by any suitable means. I prefer, however, to use ratchets I, attached to bars A and dogs J on the lower ends of levers H. These (No model.)

dogs may be operated simultaneouslyb'y means of a cross-piece, K, connected to them and eX- tending to the side ofthe bed within convenient reach.

The relative heights to which the inner and outer edges of spring-section C will rise, and the consequent inclination which it will assume at various heights, depend upon the position. of the pivots 71. f

I prefer to make the distances 71 aand l1 f in the proportion of about two to one, and the distances 7L f 71r a. in about the saine proportion, thus causing the section C to oscillate substantially about the dividing-line between it and section B. The oscillation of the adj ustable section about this particular line of hingingis very advantageous. Since said line lies in the' saine horizontal plane with the top surfaces of the springs, said springs are not crowded together by the oscillation, as would be the case if the line of hinging were in the plane of bars A A,(the manner of construction heretofore e1nployed;) but, on the contrary, a continuous taut surface is preserved throughout the oscillation, for the irm and elastic support of the mattress. Moreover, there is no danger of crumpling, rubbing, or wearing the under surface ofthe mattress, as would be the case if the springs of the adjustable section were crowded against those ofthe stationary section by the oscillation of the former.

The springs L are constructed of an inner coil, Z, and outer coil, Z, tapering downward, connected at the top by a horizontal portion, Zi, and at the lower ends by a loop, l, One of the coils terminates in a vertical4 port-ion, 1*, for securing the spring in place. Preferably I construct the spring of one piece oi' wire, as shown, one end of it forming the loop Z, the other end the vertical part Z, and an intermediate portion the part Zi. The part Z2 is situated beneath the upper turn of one of the coils and transmits the pressure thereonto the other coil, both coils being thus etfectually utilized.

' The springs L are secured to the frame at suitable distances ap art, and are united at their upper ends by clamps or links M, of peculiar construction. They are made oi' two pieces of spring-wire, having loops m at their middles, interlaced, as clearly shown in Fig. 3, and formed with hooksm at their ends. Each clamp isthus enabled to connect four contiguous springs.

IOO

These clamps form a 'Hexible and elastic connection between the springs L, the manner of interlacing the wires being such that the loops on. will approach one another upon the application of any strain at the hooked ends, their approach being regulated by the friction ofthe wires upon one another, and their return to a normal position being insured by their elasticity. Each clamp is therefore a spring in itself, which permits the drawing apart of the hooked ends and retracts them when the pressure is removed. Moreover, these clamps present a broad supportingsurface to the bed between the springs, thus forming a practicallyT continuous elastic surface.

I am aware that levers pivoted at one end to the spring-support and to the bedirame, pivoted together 'at their middle, and having a sliding engagement at their other ends with the spring-support and bed-frame have been used to regulate the height of spring-beds as a whole, and I do not claim such construction, broadly, as myv invention.

Vhat I claim isl. A spring-bedhaving a stationaryr spring section and adjustable spring-section oscillating substantially about the line of junction oi the surfaces of the sections, and means for curing the adjustable section at various inelinations, substantially as set forth.

2. In a spring-bed, the combination ofastationary section, an adjustable spring-section oscillating substantially about thelinc ol' j unetion ofthe surfaces o'l the sections, devices which connect the tops ofthe springs along said line of juncture, and means for securing the adj ustable section at various inclinati ons, substantially as set forth.

3. In a springbcd, the combination, with a stationary spring section, of an adjustable spring-section connected to the frame by oscillating links, levers pivoted to said links and bracing apart said section and frame, and means for securing said'levcrs in various positions, whereby the position of one portion of the surface of the bed may be changed relatively to the other portion, substantially as set forth.

+L. In a spring-bed, the adjustable spring-scction C, links G, pivoted to said section and to the main frame, levers pivoted to links G and engaging by sliding' contact with the said section and bottom frame, and means for securing sai d levers in position, substantially as set forth.

5. In a spring-bed, the combination of the adjustable section C, links G, levers II, engaging with the longitudinal. grooves cl f2 in the section-supports and in the main frame, and dogs J, pivoted toV said levers and engaging with the base-frame, substantially as set forth.

6. The combination,with the dogs J, which secure the levers II in position, ot' means extending to the sides ofthe bed for connecting said dogs and operating them simultaneously, substantially as set forth.

7. rIhe individual springs L, consisting of two concentric coils connected at theirtops, the lower end of one coil being adapted to be inserted vertically through the slat, and the lower en d o1" t-he other forming the loop I and encircling the vertical portion,whereb \,f the ends are connected, and an annular collar formed for the support ot' the spring, substantially as set forth.

M, consistin ot' two pieces of wire bent to form loops m, and interlaced so that' the two legs of each loop lie against opposite faces of the opposite loop, and interlock with one another at the center ofsaid loop,substantially as set forth. In testimony whereof I aiiix my signature in presence of two witnesses.

CHARLES D. RODEBAUGH.

X'Vitnesses:A

J. N. FULLER, I. LEROY CUTLER.

e. Theherein-describedclamp or connection 

